A ganeti cluster hosts GNU/Linux based para-virtualized virtual machines. The disk is extracted with kpartx(8) and uploaded to the glance OpenStack image service with glance add … disk_format=ami…. It is associated with a kernel image compatible with both OpenStack and the existing file system with glance update … kernel_id=0dfff976-1f55-4184-954c-a111f4a28eef ramdisk_id=aa87c84c-d3be-41d0-a272-0b4a85801a34 ….Continue reading “Migrating ganeti virtual machines to OpenStack (part 1 / 2)”